Which parameter is NOT typically measured by a water quality sensor?

• A. pH
• B. Water Level
• C. Turbidity
• D. Dissolved Oxygen

Answer: (B)

Water quality sensors are designed to monitor properties that indicate how suitable water is for irrigation, such as acidity/alkalinity (pH), clarity (turbidity), and oxygen levels (dissolved oxygen). These measurements reveal chemical and physical conditions that affect nutrient availability, emitter performance, and microbial activity. Water level, in contrast, measures the amount or height of water in a system and is handled by level or depth sensors used for pump control, storage management, and flood or supply alerts. It doesn’t reflect the chemical or physical quality of the water itself, which is why it’s not typically considered a water quality parameter. Some systems may integrate level data with quality sensors, but the core role of a water quality sensor is to assess quality-related factors rather than quantity.